419a.cpp

C++实训教程

//419a.cpp using template 
#include <iostream.h>
#include <math.h>
template <class T> T sroot(T  x);

main()
{
	long l=200L;double d=2E+2;
	cout<<"There root are:"<< sroot(l)<<" "<<sroot(d)<<endl;
	return 0;
}
template <class T> T sroot(T  x)
{
	return  (T) sqrt (x);
}
/*
There root are:14 14.1421
*/